412-79v9 무료 덤프문제 온라인 액세스

How many bits is Source Port Number in TCP Header packet?

• A.64
• B.16
• C.32
• D.48

Internet Control Message Protocol (ICMP) messages occur in many situations, such as whenever a datagram cannot reach the destination or the gateway does not have the buffering capacity to forward a datagram. Each ICMP message contains three fields: type, code, and checksum. Different types of Internet Control Message Protocols (ICMPs) are identified by a TYPE field. If the destination is not reachable, which one of the following are generated?

• A.Type 12 ICMP codes
• B.Type 8 ICMP codes
• C.Type 7 ICMP codes
• D.Type 3 ICMP codes

War Driving is the act of moving around a specific area, mapping the population of wireless access points for statistical purposes. These statistics are then used to raise awareness of the security problems associated with these types of networks. Which one of the following is a Linux based program that exploits the weak IV (Initialization Vector) problem documented with static WEP?

• A.Airpwn
• B.Airsnort
• C.WEPCrack
• D.Aircrack

Which one of the following is a useful formatting token that takes an int * as an argument, and writes the number of bytes already written, to that location?

• A."%w"
• B."%p"
• C."%s"
• D."%n"

An automated electronic mail message from a mail system which indicates that the user does not exist on that server is called as?

• A.SMTP Queue Bouncing
• B.SMTP Message Bouncing
• C.SMTP Server Bouncing
• D.SMTP Mail Bouncing